Before reviewing the signs and symptoms of some common STDs, it's important to remember that the only person who can diagnose you with an STD is a health care professional. If you think you may have an STD, it is important to go see a doctor. That's true whether you currently have STD symptoms or not.
Encoder receiver transmitter. Encoder receiver transmitter (ERT) is a packet radio protocol developed by Itron for automatic meter reading. The technology is used to transmit data from utility meters over a short range so a utility vehicle can collect meter data without a worker physically inspecting each meter.
An energy recovery ventilator (also abbreviated ERV) is a type of air-to-air heat exchanger that not only transfers sensible heat but also latent heat.Because both temperature and moisture are transferred, ERVs can be considered total enthalpic devices.he benefit of using energy recovery is the ability to meet the ASHRAE ventilation & energy standards, while improving indoor air quality and reducing total HVAC equipment capacity.